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The CAT 140K Motor Grader is a popular model in Caterpillar’s K-Series, known for its durability, performance, and operator comfort. It is widely used in road construction, earthmoving, and grading tasks. The 140K is versatile and capable of handling a range of tasks, from fine grading to rough leveling, making it a key asset in civil engineering projects.

Key Features and Specifications of the CAT 140K Motor Grader:

1. Engine and Power:

   • Engine Model: CAT C7 ACERT™
   • Net Power: Approximately 128 kW (171 hp)
   • Displacement: 7.2 liters
   • The CAT 140K provides ample power for challenging grading tasks, with the ACERT technology offering better fuel efficiency and reduced emissions.

2. Blade (Moldboard):

   • Blade Width: 12 feet (3.7 meters)
   • The moldboard is highly adjustable, allowing for fine control over the angle, tilt, and reach for various grading tasks.
   • The design ensures precise material control, making it efficient for both rough and fine grading operations.

3. Hydraulic System:

   • The 140K comes equipped with an advanced hydraulic system that offers smooth and responsive control of the blade and other attachments.
   • It allows for precise movements, especially useful in detailed grading and finishing operations.

4. Articulated Steering and Frame:

   • The machine's frame can articulate, providing excellent maneuverability on uneven surfaces or in confined spaces. This improves the grader’s ability to make tight turns and handle complex terrains.

5. Operator Comfort:

   • The cab is designed with operator comfort in mind. Features include an ergonomic control layout, adjustable seating, and a climate-controlled environment to enhance productivity.
   • The cab’s large windows provide excellent visibility of the blade and surrounding work area, which is crucial for accurate grading.

6. Transmission:

   • Transmission Type: Power shift, direct drive.
   • The 140K has an automatic transmission that optimizes shifting, providing smooth operation and better fuel efficiency.

7. Weight:

   • Operating Weight: Around 15,000 kg (33,069 lbs).
   • This makes it a mid-sized grader, capable of handling a wide range of tasks while being easier to transport than larger models.

8. Tandem Axles and All-Wheel Drive (Optional):

   • The 140K offers tandem axle drive with optional all-wheel drive (AWD), which is useful for working in tough terrains like mud, snow, or loose soil.

9. Ripper and Scarifier Attachments:

   • The 140K can be fitted with a rear ripper or scarifier, expanding its versatility for tasks like breaking up compacted soil or asphalt.

Applications:

• Road construction: Fine grading, leveling, and shaping road surfaces before paving.
• Mining: Maintenance of haul roads and grading surfaces in tough environments.
• Landscaping: Precise grading for commercial and residential projects.
• Agriculture: Creating or maintaining farm roads, drainage ditches, and fields.

The CAT 140K Motor Grader is known for being a reliable and versatile machine, offering a balance between power, precision, and operator comfort. It's highly regarded in construction and maintenance projects for roads and large surfaces.

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